Doctor profile · Federal record
Dr. Heidi Duncan, MD
Family Medicine Physician (CMS: Family Practice) · Billings, MT
- NPI 1376645341
- Accepts Medicare
- 36 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2675 Central Ave
Billings, MT 591026686
(406) 238-2500 - Mailing address
-
Po Box 35100
Billings, MT 591075100
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- February 22, 2022
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Montana #7559
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1376645341. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
377
Distinct HCPCS
4
Medicare allowed
$30,291
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 270 | 190 | $82 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 48 | 43 | $62 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 32 | 30 | $92 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 27 | 25 | $80 |
In context: peer comparison
Among 28 peers in this city , average services per provider: 74. This provider delivers 5.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,055
Patients
563
Total drug cost
$23,724
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 402 | 106 | $5,066 |
| Atorvastatin Calcium | Generic | 209 | 62 | $2,261 |
| Omeprazole | Generic | 151 | 46 | $2,309 |
| Amlodipine Besylate | Generic | 137 | 36 | $775 |
| Gabapentin | Generic | 132 | 30 | $1,518 |
| Losartan Potassium | Generic | 128 | 33 | $1,680 |
| Hydrochlorothiazide | Generic | 121 | 37 | $508 |
| Lisinopril | Generic | 119 | 36 | $740 |
| Trazodone Hcl | Generic | 108 | 32 | $1,180 |
| Metoprolol Succinate | Generic | 103 | 30 | $2,045 |
Hospital affiliations
Frequently asked questions
What is Dr. Heidi Duncan's medical specialty?
Dr. Heidi Duncan practices Family Medicine Physician in Billings, MT.
Where does Dr. Heidi Duncan practice?
Dr. Heidi Duncan practices at 2675 Central Ave, Billings, MT 591026686. Office phone: 4062382500.
What is Dr. Heidi Duncan's NPI?
Dr. Heidi Duncan's National Provider Identifier (NPI) is 1376645341, issued by NPPES.
Does Dr. Heidi Duncan accept Medicare assignment?
Yes. Dr. Heidi Duncan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Heidi Duncan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.